How do I install(also uninstall) .apk in android emulator before starting test execution ?
Before starting test execution, I want to install latest version of .apk file which is available in my hard drive.
Do you any solution to this?

In order to uninstall applications from your Android device you could use the Android Debug Bridge (adb) tool, which can be found within the Android tools of your Ranorex installation: C:\Program Files (x86)\Ranorex 5.2\Bin\RxEnv\Android\tools.